Finding the Fourth Proportional to 2,258.42, 3,389.25 and 1,393.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258.42 : 3,389.25 = 1,393.34 : x
2. Step 2: Convert to fraction form
   2,258.42/3,389.25 = 1,393.34/x
3. Step 3: Cross multiply
   2,258.42x = 3,389.25 × 1,393.34
4. Step 4: Simplify right side
   2,258.42x = 4,722,377.60
5. Step 5: Solve for x
   x = 4,722,377.60/2,258.42
6. Step 6: Final answer
   x = 2,091.01